private bool BpTest(Statement statement, BreakPoint breakpoint)
{
bool afterStart, beforeEnd;
afterStart = (breakpoint.Line == statement.Location.Start.Line &&
breakpoint.Char >= statement.Location.Start.Column);
if (!afterStart)
{
return(false);
}
beforeEnd = breakpoint.Line < statement.Location.End.Line ||
(breakpoint.Line == statement.Location.End.Line &&
breakpoint.Char <= statement.Location.End.Column);
if (!beforeEnd)
{
return(false);
}
if (!string.IsNullOrEmpty(breakpoint.Condition))
{
return(_engine.Execute(breakpoint.Condition).GetCompletionValue().AsBoolean());
}
return(true);
}
internal void OnStep(Statement statement)
{
var old = _stepMode;
if (statement == null)
{
return;
}
BreakPoint breakpoint = _engine.BreakPoints.FirstOrDefault(breakPoint => BpTest(statement, breakPoint));
bool breakpointFound = false;
if (breakpoint != null)
{
DebugInformation info = CreateDebugInformation(statement);
var result = _engine.InvokeBreakEvent(info);
if (result.HasValue)
{
_stepMode = result.Value;
breakpointFound = true;
}
}
if (breakpointFound == false && _stepMode == StepMode.Into)
{
DebugInformation info = CreateDebugInformation(statement);
var result = _engine.InvokeStepEvent(info);
if (result.HasValue)
{
_stepMode = result.Value;
}
}
if (old == StepMode.Into && _stepMode == StepMode.Out)
{
_callBackStepOverDepth = _debugCallStack.Count;
}
else if (old == StepMode.Into && _stepMode == StepMode.Over)
{
var expressionStatement = statement as ExpressionStatement;
if (expressionStatement != null && expressionStatement.Expression is CallExpression)
{
_callBackStepOverDepth = _debugCallStack.Count;
}
else
{
_stepMode = StepMode.Into;
}
}
}